the weight of 10 student is 35kg if the 11 th student weight is 42 kg find. the mean of observation
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Sum of weights = 10 * 35 + 42 = 392 .
Number of students = 11 .
Arithmetic mean = 392/11 = 35.7 kg
Number of students = 11 .
Arithmetic mean = 392/11 = 35.7 kg
abhi656:
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Total students =10
Weight =35
10*35=350
1stu add 350+42=392
Now total students =11
So mean =392/11=35.63
Weight =35
10*35=350
1stu add 350+42=392
Now total students =11
So mean =392/11=35.63
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